There are an estimated 902 people named Katja alive worldwide today. That ranks Katja at #11094 globally, with the highest concentrations in United States.
In the United States, Katja is held by approximately 902 people, ranking #11094 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 367,960 U.S. residents).
Historically Katja is used overwhelmingly as a female name (100.0% female).
Katja appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.